The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2001
Filed:
Nov. 12, 1998
Robert J. Slais, Bloomfield, MI (US);
Automotive Fluid Systems, Inc., Troy, MI (US);
Abstract
A pressure vessel suitable for use in an automotive air-conditioning system includes a cylindrical body (,) including an annular wall (,). The cylindrical body preferably includes an opposite closed end, an initially opened end (,), and a closure member (,) inserted into the open end of the cylindrical body. The closure member and the cylindrical body each have extensions or annular flanges (,) which are spin welded together. The cylindrical body is fused to the closure member when the annular flange (,) of the closure member is spin welded to an annular, outermost portion (,) of the cylindrical body. The closure member and the cylindrical body are further locked together by inwardly rolling a portion of the annular wall into an annular groove (,) and an outermost surface of the closure member.